Floating drug delivery system (FDDS) is one of the approaches to increase the retention time of an oral dosage form in the stomach.
胃内漂浮制剂，亦称漂浮药物输送系统，是延长药物胃内滞留时间的一种制剂。
FDDS have a bulk density lower than gastric fluids and thus remain buoyancy in the stomach without affecting the gastric emptying rate for a prolonged period of time.
该制剂口服后可以维持自身密度小于胃内容物密度，从而较长时间在胃中呈漂浮状态，而不受胃排空速率的影响。
Only franchise companies that supply full franchise Disclosure Documents (FDDs) or Canadian Disclosure Documents and whose information is verified by Entrepreneur can be listed in this issue.
只有提供了完整的特许经营公开文件，或者加拿大公开文件及全部信息得到《企业家》杂志审核的特许经营公司才有可能进入榜单。
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